John h



(No Model.)

J. H. ROBINSON.

THILL GOUPLING.

N0. 261,045.l Patented July 11, 1882.

ATTORNEYS.

-of the thill-head.

UNITED STATES JOHN H. ROBINSON, OF FREMONT,

OHIO, ASSIGNOR OF ONE-HALF '.IO

AMBROSE OOHS, ORSAME PLACE.

THILL-COUPLING.

'SPECIFICATION forming` part of Letters Patent No. 261,045, dated July 11, 1882.

Application filed April 11, 1882. (No model.)

To all whom it may concern Beitknown thatI, JOHN H. RoBINsoN,of Fremont, in the county of Sandusky and State of Ohio, have invented certain new and useful 1mprovementsinThill-Gouplings; andIdo hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same, reference being had totheaccompanyingdrawin gs,whic11 form a partof this specification, and in which- Figure lis a side elevation of my improved thill-couplin g. Fig. 2 is a longitudinal vertical section ofthe same. Fig. 3 is a detail view of the adjustable clamping-block with its adjusting-screw and rubber. Fig. 4 is a detail View of the end of the thill-iron with its detachable cross-head, and Fig. 5 is a perspective view of the conpling-plate with its hooked arms or bearings.

Similar letters of reference indicate corresponding parts in all the figures.

My invention contemplates certain improvements in the construction and arrangement of parts of thill-conplings, as hereinafter more fully described and claimed.

In the accompanying drawings, A represents the front axle of a vehicle, and B the clip, which is in one piece with a plate, O, having a pair of parallel ears, D D, that are slotted obliquely, as shown at d d, to form the hooks D D. The clip-bar E, to which the ends ofthe clip are nutted, extends out between the hooked arms D D, and has a screw-threaded aperture,-

e, at its outer end.

F is the inner end or head ot' the thill-iron, through which is inserted a bolt or cross-head, G, having a rib or feather, g, which fits into a correspondingly-shaped groove in the body The projecting ends of the bolt or cross-head G rest in the hooked arms D D', which form bearings for the same, and will of course turn with the head F of the thill on account of the rib or feather g.

H denotes the clamping block or follower, the rear portion of which has a sleeve or thimble, h, through which is inserted the plain shank of a thumb-screw, I. The concaved front side of the clamping or follower block H is dovetailed transversely to receive theconcave rubber or elastic cushion K and hold it firmly in place, said rubber forming a lip, k, projecting outwardly from the follower-block.

The clip-plate or back plate, C, has avertical semi-cylindrical recess, c. to make room for the sleeve or thimble hof block H and permit of its play up and down.

From theforegoing description, taken'in connection with the drawings, the operation of my improved thill-conpling will readily be understood. rlhe bolt or cross-head G,being detachable from the head F of the thill-iron, can be readily renewed when worn. The lower threaded end of the thumb-screw l works through the screw-hole e in the extended end of the clip-bar E, andl by it the follower-block may be adjusted so as to bear with its concave' rubber or cushion against the thill-head F, and thus absolutely prevent rattling, as well as preventing the thill-head from slipping out of its bearings. The degree of pressure of the rubber against the thill-head may at all times be regulated by the adjustment ot" the screw I.

Having thus described my invention, I claim and desire to secure by Letters Patent of the United States- The concaved bllower-block H, recessed transversely in its concave face to receive the elastic cushion K, and provided with the rearwardly-projecting sleeve h, having a smooth bore, in combination with the clip-plate O D, recessed at c, thumb-screw I, and clip-har E, having the screw-threaded hole e, as shown and specified.

In testimony that I claim thc'foregoing as my own I have hereunto aiixed my signature in presence ot' two witnesses.

JOHN H. ROBINSON.

Witnesses:

B. R. DUDRow, J. B. LovELAND. 

